Space exploration and applications 

 - New York  United Nations U S A       1969 
 -  V1 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Travel
<br/><br/><label>Dewey Class. No.: </label>U98,f, K9/UN